Lesson 07: Using Histograms to Answer Statistical Questions | Unit 8: Data Sets and Distributions

Multiple Choice

Which grade has a higher median number of text messages sent per week?

• Eighth grade
• Seventh grade
• Sixth grade
• Fifth grade

Draw

Forty sixth-grade students ran 1 mile. Here is a histogram that summarizes their times, in minutes. The center of the distribution is approximately 10 minutes. On the blank axes, draw a second histogram that has all three of these characteristics: A distribution of times for a different group of 40 sixth-grade students. A center at 10 minutes. Less variability than the distribution shown in the first histogram.

Multiple Choice

An earthworm farmer examined two containers of a certain species of earthworms so that he could learn about their lengths. He measured 25 earthworms in each container and recorded their lengths in millimeters. Here are histograms of the lengths for each container. Which container tends to have longer worms than the other container?

• Container A

• Container B

Multiple Choice

An earthworm farmer examined two containers of a certain species of earthworms so that he could learn about their lengths. He measured 25 earthworms in each container and recorded their lengths in millimeters. Here are histograms of the lengths for each container. For which container would 15 millimeters be a reasonable description of a typical length of the worms in the container?

• Container A

• Container B

Multiple Choice

An earthworm farmer examined two containers of a certain species of earthworms so that he could learn about their lengths. He measured 25 earthworms in each container and recorded their lengths in millimeters. Here are histograms of the lengths for each container. If length is related to age, which container had the most young worms?

• Container A

• Container B